header {
  width: 100%;
  height: 1.5rem;
  line-height: 1.5rem;
  text-align: center;
  font-size: 0.5rem;
  font-weight: bold;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  color: #fff;
  background-color: #3f51b5;
  box-shadow: 0px -24px 24px 34px rgb(203, 193, 187);
}

header i {
  width: 0.52rem;
  height: 0.52rem;
  line-height: 0.52rem;
}

footer {
  color: #333;
  width: 100%;
  height: 1.5rem;
  font-size: 0.5rem;
  text-align: center;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  background-color: #f0f0f0;
  box-shadow: 23px 14px 23px 20px rgba(203, 193, 187, 0.5);
}

mat-divider {
  margin-left: 15px;
  margin-right: 15px;
}

mat-card-subtitle,
mat-card-content {
  margin-bottom: 0;
}

.content {
  width: 100%;
  height: auto;
  overflow: auto;
  position: absolute;
  top: 1.5rem;
  bottom: 1.5rem;
  background-color: #f0f0f0;
}

.head-left {
  position: absolute;
  left: 10px;
  top: 0;
  width: 1.5rem;
  height: 1.5rem;
}

.head-content {
  width: 8rem;
  margin: 0 2rem;
}

.img-wrap {
  width: 100%;
  height: 8.5rem;
  background-color: #fff;
  box-shadow: 0 3px 14px 0 rgba(203, 193, 187, .40);
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
}

img {
  width: 6.5rem;
  height: 6.5rem;
  display: block;
  margin: 0 auto;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.sub-title {
  font-size: 16px;
  padding: 15px;
  background-color: #f0f0f0;
}

.book-info {
  width: 100%;
  height: 6rem;
  background-color: #fff;
  font-size: 16px;
  border-radius: 5px;
  box-shadow: 0 3px 14px 0 rgba(203, 193, 187, .40);
}

.list-item span:first-child {
  padding-left: 15px;
  color: #999;
  height: 1.5rem;
  line-height: 1.5rem;
}

.list-item {
  width: 100%;
  height: 1.5rem;
}

.book-desc {
  background-color: #fff;
  width: 12rem;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  box-shadow: 0 3px 14px 0 rgba(203, 193, 187, .40);
}

.book-desc p {
  padding: 15px 0;
  margin: 0 15px;
  line-height: 23px;
  font-size: 14px;
}

.footer-menu {
  width: 6rem;
  height: 1.5rem;
}

.footer-menu button {
  font-size: 16px;
  font-weight: bold;
  width: 6rem;
  height: 1.5rem;
}

.book-number {
  color: #fff;
  background-color: #3f51b5;
  border: 1px solid #fff;
  border-radius: 50%;
  width: 0.7rem;
  height: 0.7rem;
  line-height: 0.7rem;
  position: absolute;
  display: block;
  top: 5px;
  left: 128px;
  font-size: 19px;
}

.bookcase {
  color: #3f51b5;
}

.add-to-bookcase {
  color: #3f51b5;
  background-color: rgba(63, 81, 181, .2);
}
